28441920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:129

約数の個数: 224

約数和(自身を含む): 101388672

約数和(自身を除く): 72946752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 43, 48, 52, 53, 60, 64, 65, 78, 80, 86, 96, 104, 106, 120, 129, 130, 156, 159, 160, 172, 192, 195, 208, 212, 215, 240, 258, 260, 265, 312, 318, 320, 344, 390, 416, 424, 430, 480, 516, 520, 530, 559, 624, 636, 645, 688, 689, 780, 795, 832, 848, 860, 960, 1032, 1040, 1060, 1118, 1248, 1272, 1290, 1376, 1378, 1560, 1590, 1677, 1696, 1720, 2064, 2067, 2080, 2120, 2236, 2279, 2496, 2544, 2580, 2752, 2756, 2795, 3120, 3180, 3354, 3392, 3440, 3445, 4128, 4134, 4160, 4240, 4472, 4558, 5088, 5160, 5512, 5590, 6240, 6360, 6708, 6837, 6880, 6890, 8256, 8268, 8385, 8480, 8944, 9116, 10176, 10320, 10335, 11024, 11180, 11395, 12480, 12720, 13416, 13674, 13760, 13780, 16536, 16770, 16960, 17888, 18232, 20640, 20670, 22048, 22360, 22790, 25440, 26832, 27348, 27560, 29627, 33072, 33540, 34185, 35776, 36464, 41280, 41340, 44096, 44720, 45580, 50880, 53664, 54696, 55120, 59254, 66144, 67080, 68370, 72928, 82680, 88881, 89440, 91160, 107328, 109392, 110240, 118508, 132288, 134160, 136740, 145856, 148135, 165360, 177762, 178880, 182320, 218784, 220480, 237016, 268320, 273480, 296270, 330720, 355524, 364640, 437568, 444405, 474032, 536640, 546960, 592540, 661440, 711048, 729280, 888810, 948064, 1093920, 1185080, 1422096, 1777620, 1896128, 2187840, 2370160, 2844192, 3555240, 4740320, 5688384, 7110480, 9480640, 14220960, 28441920]

約数ペア:

[(1, 28441920), (2, 14220960), (3, 9480640), (4, 7110480), (5, 5688384), (6, 4740320), (8, 3555240), (10, 2844192), (12, 2370160), (13, 2187840), (15, 1896128), (16, 1777620), (20, 1422096), (24, 1185080), (26, 1093920), (30, 948064), (32, 888810), (39, 729280), (40, 711048), (43, 661440), (48, 592540), (52, 546960), (53, 536640), (60, 474032), (64, 444405), (65, 437568), (78, 364640), (80, 355524), (86, 330720), (96, 296270), (104, 273480), (106, 268320), (120, 237016), (129, 220480), (130, 218784), (156, 182320), (159, 178880), (160, 177762), (172, 165360), (192, 148135), (195, 145856), (208, 136740), (212, 134160), (215, 132288), (240, 118508), (258, 110240), (260, 109392), (265, 107328), (312, 91160), (318, 89440), (320, 88881), (344, 82680), (390, 72928), (416, 68370), (424, 67080), (430, 66144), (480, 59254), (516, 55120), (520, 54696), (530, 53664), (559, 50880), (624, 45580), (636, 44720), (645, 44096), (688, 41340), (689, 41280), (780, 36464), (795, 35776), (832, 34185), (848, 33540), (860, 33072), (960, 29627), (1032, 27560), (1040, 27348), (1060, 26832), (1118, 25440), (1248, 22790), (1272, 22360), (1290, 22048), (1376, 20670), (1378, 20640), (1560, 18232), (1590, 17888), (1677, 16960), (1696, 16770), (1720, 16536), (2064, 13780), (2067, 13760), (2080, 13674), (2120, 13416), (2236, 12720), (2279, 12480), (2496, 11395), (2544, 11180), (2580, 11024), (2752, 10335), (2756, 10320), (2795, 10176), (3120, 9116), (3180, 8944), (3354, 8480), (3392, 8385), (3440, 8268), (3445, 8256), (4128, 6890), (4134, 6880), (4160, 6837), (4240, 6708), (4472, 6360), (4558, 6240), (5088, 5590), (5160, 5512)]